d="M 4 3 L 4 4 L 4 11 L 4 12 L 4 19 L 4 20 L 12 20 L 13 20 L 21 20 L 21 19 L 21 3 L 13 3 L 12 3 L 4 3 z M 5 4 L 12 4 L 12 11 L 5 11 L 5 4 z M 13 4 L 20 4 L 20 11 L 13 11 L 13 4 z M 5 12 L 12 12 L 12 19 L 5 19 L 5 12 z M 13 12 L 20 12 L 20 19 L 13 19 L 13 12 z "
d="M 5 4 L 5 11 L 12 11 L 12 4 L 5 4 z M 13 4 L 13 10.292969 L 19.292969 4 L 13 4 z M 20 4.7070312 L 13.707031 11 L 20 11 L 20 4.7070312 z M 5 12 L 5 18.292969 L 11.292969 12 L 5 12 z M 13 12 L 13 19 L 20 19 L 20 12 L 13 12 z M 12 12.707031 L 5.7070312 19 L 12 19 L 12 12.707031 z "